This superb High Risk Chair Pressure Cushion measures 40cm x 40cm x 8cm (16\" x 16\" x 3\") and is suitable for people that are at high risk of developing pressure ulcers.This High Risk Chair Pressure Cushion is constructed to be both lightweight and easy to transport, making it a fantastic choice for everyday use as either a comfort cushion or as a booster cushion if a higher seating position is desired. This cushion has a dual layered design which combines a high density polyurethane base with a temperature-sensitive, visco elastic memory foam top. This exceptional quality top layer provides comfort, pressure relief and support and also features geometrically contoured cubes of visco elastic memory foam which operate individually and uniquely. This design helps to distribute the load whilst helping the user\'s skin to remain cool, therefore massively reducing the risk of developing pressure ulcers. This 40cm x 40cm x 8cm High Risk Chair Pressure Cushion is supplied fitted with a black Harley Dartex cover which is waterproof and made from a breathable nylon fabric. The comfortable multi stretch cover is fitted with a zip, and is suitable for washing or dry cleaning if required, ensuring best possible hygiene at all times. This waterproof High Risk Chair Pressure Cushion is available in 11 other sizes and heights in this section of our shop.